From article entitled Hangzhou Bike Scheme:...

From article entitled Hangzhou Bike Scheme: Hangzhou has a fantastic bike share program. It is now the largest bike share program in the world with some 50,000 bikes available throughout the city. The system eclipses the velib system in Paris which has 20,000 bikes. Not bad for a Chinese city and a city with a population of only 2 million in the urban core. Check out their 7 minute video report on how it works.